deps: update zlib to upstream 5edb52d4 by lpinca · Pull Request #47151 · nodejs/node

lpinca · 2023-03-18T20:03:06Z

Updated as described in doc/contributing/maintaining-zlib.md.

We currently have two copies of Chromium's zlib: one in deps/zlib and another in deps/v8/third_party/zlib. This has a couple of disadvantages: 1. There is an additional cost to keeping both dependencies up-to-date, and in fact they were already out-of-sync (see the refs). 2. People who compile with --shared-zlib (i.e. distro maintainers) will probably not be thrilled to learn that there is still a copy of zlib inside. 3. It's aesthetically unpleasing. Centralize on the version in V8 rather than the one in deps, and delete the one in deps. Basically I just copied deps/zlib/zlib.gyp to tools/v8_gypfiles/zlib.gyp, since the former had a better build configuration (see the refs). This approach seemed better than the opposite approach of centralizing on deps/zlib because: 1. We would need to occasionally bump deps/zlib manually after bumping deps/v8, which seemed annoying. 2. The maintenance steps for bumping zlib seemed more onerous than the maintenance steps for bumping V8. (If we would prefer the opposite approach, I actually have another patch locally.) One discrepancy was that V8's version of zlib had all symbols to be prefixed with `Cr_z_` per deps/v8/third_party/zlib/chromeconf.h, which seemed undesirable, so I added define `CHROMIUM_ZLIB_NO_CHROMECONF` to the build to remove it. (deps/zlib handled this by just commenting out the relevant include, but floating a patch seemed less desirable.) I tested this on Linux with the default build and a --shared-zlib build. I checked that the shared-zlib build correctly linked zlib according to ldd. I would appreciate if the reviewers could suggest some other build configurations to try. Refs: nodejs#47145 Refs: nodejs#47151

nodejs-github-bot · 2023-03-20T20:25:08Z

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nodejs-github-bot · 2023-03-22T20:26:19Z

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lpinca · 2023-04-02T17:25:15Z

Benchmark CI: https://ci.nodejs.org/view/Node.js%20benchmark/job/benchmark-node-micro-benchmarks/1312/

                                                                       confidence improvement accuracy (*)    (**)   (***)
zlib/createInflate.js n=100 chunkLen=1024 inputLen=16777216                     *     -3.28 %       ±2.57%  ±3.44%  ±4.50%
zlib/creation.js n=500000 options='false' type='BrotliCompress'                        1.77 %       ±3.47%  ±4.62%  ±6.02%
zlib/creation.js n=500000 options='false' type='BrotliDecompress'                      1.85 %       ±3.69%  ±4.91%  ±6.39%
zlib/creation.js n=500000 options='false' type='Deflate'                               1.01 %       ±2.73%  ±3.63%  ±4.72%
zlib/creation.js n=500000 options='false' type='DeflateRaw'                            2.79 %       ±3.19%  ±4.24%  ±5.52%
zlib/creation.js n=500000 options='false' type='Gunzip'                               -1.61 %       ±2.50%  ±3.33%  ±4.33%
zlib/creation.js n=500000 options='false' type='Gzip'                                 -1.21 %       ±2.89%  ±3.85%  ±5.01%
zlib/creation.js n=500000 options='false' type='Inflate'                               0.10 %       ±3.21%  ±4.28%  ±5.57%
zlib/creation.js n=500000 options='false' type='InflateRaw'                           -0.03 %       ±3.16%  ±4.21%  ±5.48%
zlib/creation.js n=500000 options='false' type='Unzip'                                -1.26 %       ±2.50%  ±3.32%  ±4.32%
zlib/creation.js n=500000 options='true' type='BrotliCompress'                         0.70 %       ±3.31%  ±4.40%  ±5.74%
zlib/creation.js n=500000 options='true' type='BrotliDecompress'                       3.30 %       ±4.00%  ±5.33%  ±6.93%
zlib/creation.js n=500000 options='true' type='Deflate'                               -0.79 %       ±2.29%  ±3.05%  ±3.98%
zlib/creation.js n=500000 options='true' type='DeflateRaw'                            -0.11 %       ±2.54%  ±3.38%  ±4.40%
zlib/creation.js n=500000 options='true' type='Gunzip'                                 1.12 %       ±2.90%  ±3.87%  ±5.05%
zlib/creation.js n=500000 options='true' type='Gzip'                                   0.69 %       ±2.14%  ±2.84%  ±3.70%
zlib/creation.js n=500000 options='true' type='Inflate'                               -1.19 %       ±3.10%  ±4.13%  ±5.39%
zlib/creation.js n=500000 options='true' type='InflateRaw'                             1.26 %       ±3.17%  ±4.22%  ±5.49%
zlib/creation.js n=500000 options='true' type='Unzip'                                  0.03 %       ±3.33%  ±4.43%  ±5.77%
zlib/deflate.js n=400000 inputLen=1024 method='createDeflate'                         -2.41 %       ±6.16%  ±8.19% ±10.66%
zlib/deflate.js n=400000 inputLen=1024 method='deflate'                                2.85 %       ±7.73% ±10.29% ±13.39%
zlib/deflate.js n=400000 inputLen=1024 method='deflateSync'                            0.94 %       ±2.75%  ±3.66%  ±4.77%
zlib/inflate.js n=400000 inputLen=1024 method='inflate'                         *     -3.01 %       ±2.40%  ±3.19%  ±4.16%
zlib/inflate.js n=400000 inputLen=1024 method='inflateSync'                           -0.02 %       ±2.26%  ±3.00%  ±3.91%
zlib/pipe.js algorithm='brotli' type='buffer' duration=5 inputLen=1024                -0.45 %       ±2.61%  ±3.47%  ±4.51%
zlib/pipe.js algorithm='brotli' type='string' duration=5 inputLen=1024                -0.00 %       ±0.94%  ±1.25%  ±1.63%
zlib/pipe.js algorithm='gzip' type='buffer' duration=5 inputLen=1024                  -3.71 %       ±4.61%  ±6.15%  ±8.04%
zlib/pipe.js algorithm='gzip' type='string' duration=5 inputLen=1024                  -0.06 %       ±3.66%  ±4.87%  ±6.34%

Be aware that when doing many comparisons the risk of a false-positive
result increases. In this case, there are 28 comparisons, you can thus
expect the following amount of false-positive results:
  1.40 false positives, when considering a   5% risk acceptance (*, **, ***),
  0.28 false positives, when considering a   1% risk acceptance (**, ***),
  0.03 false positives, when considering a 0.1% risk acceptance (***)

lpinca · 2023-04-04T16:52:13Z

Ping @nodejs/collaborators

richardlau · 2023-04-04T16:55:00Z

Are the benchmarks showing a regression, or are the negative values statsiticly insignificant?

lpinca · 2023-04-04T16:56:21Z

Are the benchmarks showing a regression, or are the negative values statsiticly insignificant?

They are statistically insignificant.

anonrig · 2023-04-04T16:56:31Z

Are the benchmarks showing a regression, or are the negative values statsiticly insignificant?

They are statistically insignificant. There isn't any regression.

lpinca · 2023-04-04T17:00:51Z

FWIW there is now support for AVX-512 based CRC-32 checksum upstream but I would wait a few days before updating to https://chromium.googlesource.com/chromium/src/third_party/zlib/+/b890619bc2b193b8fbe9c1c053f4cd19a9791d92.

Updated as described in doc/contributing/maintaining-zlib.md. Refs: nodejs#45387 (comment)

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS.

lpinca · 2023-04-04T20:40:58Z

PTAL.

nodejs-github-bot · 2023-04-04T20:44:34Z

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mhdawson

LGTM

nodejs-github-bot · 2023-04-05T06:27:43Z

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nodejs-github-bot · 2023-04-05T09:16:31Z

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nodejs-github-bot · 2023-04-05T18:38:14Z

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nodejs-github-bot · 2023-04-06T09:28:27Z

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- Loading data for nodejs/node/pull/47151
✔  Done loading data for nodejs/node/pull/47151
----------------------------------- PR info ------------------------------------
Title      deps: update zlib to upstream 5edb52d4 (#47151)
   ⚠  Could not retrieve the email or name of the PR author's from user's GitHub profile!
Branch     lpinca:update/zlib -> nodejs:main
Labels     zlib, author ready, needs-ci, review wanted, dependencies, commit-queue-rebase
Commits    2
 - deps: update zlib to upstream 5edb52d4
 - doc: do not create a backup file
Committers 1
 - Luigi Pinca 
PR-URL: https://github.com/nodejs/node/pull/47151
Reviewed-By: Yagiz Nizipli 
Reviewed-By: Mohammed Keyvanzadeh 
Reviewed-By: Richard Lau 
Reviewed-By: Michael Dawson 
------------------------------ Generated metadata ------------------------------
PR-URL: https://github.com/nodejs/node/pull/47151
Reviewed-By: Yagiz Nizipli 
Reviewed-By: Mohammed Keyvanzadeh 
Reviewed-By: Richard Lau 
Reviewed-By: Michael Dawson 
--------------------------------------------------------------------------------
   ℹ  This PR was created on Sat, 18 Mar 2023 20:03:06 GMT
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Updated as described in doc/contributing/maintaining-zlib.md. Refs: #45387 (comment) PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS. PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

lpinca · 2023-04-06T14:43:38Z

Landed in 0e79635...509b1eb.

Updated as described in doc/contributing/maintaining-zlib.md. Refs: #45387 (comment) PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS. PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

Updated as described in doc/contributing/maintaining-zlib.md. Refs: #45387 (comment) PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS. PR-URL: #47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

Updated as described in doc/contributing/maintaining-zlib.md. Refs: nodejs#45387 (comment) PR-URL: nodejs#47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS. PR-URL: nodejs#47151 Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Michael Dawson <[email protected]>

nodejs-github-bot added dependencies Pull requests that update a dependency file. needs-ci PRs that need a full CI run. zlib Issues and PRs related to the zlib subsystem. labels Mar 18, 2023

kvakil mentioned this pull request Mar 19, 2023

deps: delete deps/zlib #47157

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Comment thread deps/zlib/BUILD.gn

Comment thread deps/zlib/zconf.h.cmakein

lpinca force-pushed the update/zlib branch from 8dceb84 to ab412ab Compare April 4, 2023 18:20

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lpinca added 2 commits April 4, 2023 21:57

deps: update zlib to upstream 5edb52d4

3e91e31

Updated as described in doc/contributing/maintaining-zlib.md. Refs: nodejs#45387 (comment)

doc: do not create a backup file

b0522c7

The `sed -i -- 's_^#include "chromeconf.h"_//#include "chromeconf.h"_' deps/zlib/zconf.h` command creates a `zconf.h--` backup file on macOS. Replace it with an equivalent perl one-liner so that it works on both Linux and macOS.

lpinca force-pushed the update/zlib branch from ab412ab to b0522c7 Compare April 4, 2023 20:39

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2023-04-18, Version 20.0.0 (Current) #47381

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v18.17.0 release proposal #48694

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